亚洲欧美84yt_国产激情高中生呻吟视频_亚洲一区在线日韩在线尤物_99久久国产综合精品1_2020最新亚洲中文字幕在线青色

FAQ
Why the armature plate has been sucked,but has a slight vibration and the suction is insufficient.
3 years ago146 Clicks
Q:  Why the armature plate has been sucked,but has a slight vibration and the suction is insufficient.
A:check whether the body surface of magnetic lock and adjust the armature plate is appressed,or try to adjust the looseness of armature plate,or check if the Current  and voltage is sufficient
 
Professional electric locks manufacturers-YLI ElecAll rights reserved,Email:yli@yli.cn
Login
Register